Parametric vibrations of mechanical system with several degrees of freedom under the action of electromagnetic force
Parametric vibrations of mechanical system with several degrees of freedom under the action of electromagnetic force
... vibrations of a system with single degree of freedom To avoid repeti tion, we shall refer below to the paper [1], where the problem of construction of a solu tion of the system of equations of the ... in the system with distributed para meters the vibrations with ‘ the lowest frequency (i'jj) play the main role Some experiments were performed with beams and systems of several degrees of free ... ig The beam UDder certain conditions of strengthening of its ends is subjected to the action of electromagnetic force which is ìị distant from the origin of the coordinates and directed to the...
- 10
- 244
- 0
On the phenomenon of parametric resonance of a nonlinear vibrator under the action of electromagnetic force
... the parametric oscillatiòn On the phenomenon o f parametric resonance o f a nonlinear vibrator 283 It is to be noted that the linear oscillation of the mass m in a similar electromechanical system ... electromechanical system, the scheme of which is represented in Fie The vibrator consists of a cantilever beam and a block of mass /?/, which is made of magnetic material The elastic force of the beam is assumed ... RESONANCE OF A N O N LIN EA R VIBRATO R U N D ER TH E ACTIO N OF E LEC T R O M A G N ET IC FO R C E N G l'V E N VA N DAO (H A N O I) This paper deals with the parametric resonance of a nonlinear...
- 14
- 331
- 0
Interaction between the forced and parametric excitation with different degrees of smallness
... m a regio n w > to a region w < O n the c o n tra ry , if < 0, then the p o in t of in te rse ctio n ponding to a sta b le sta te of o s c illa tio n if M < and to an u n sta b le one if h is ... a n D a o In te c tio n of the elem ents c h a c te riz in g the q u a d tic o n lin e a r it y a n d forced e x c ita tio n w ith the o th er e x c ita tio n s J of M e c h a n ic s o 4, 19 ... tlie a x is d o , we pass from a region w < to a reg io n w t the p o in t of in te rse ctio n betw een the s tra ig h t lin e and the reson ance c u rv e r iv a t iv e d w / d a o is p o sitiv...
- 7
- 244
- 1
Multi-dynamic absorber effect for quenching the self-excited vibrations of mechanical systems with distributed parameters
... , where p is the mass per unit length of the beam material, E is Y oung’s m o d u lu s, and I is the m om ent of inertia of the cross section of the beam The other notations have the same m eanings ... to the equilibrium of the sy s te m under consideration is stable if MULTI-DYNAMIC ABSORBER E F F E C T R ecalling the form ula ( l ) for the “negative” friction force one can see th a t the ... SO th a t the natural frequency of the strinK-absorbers system not coincide with those of either string or absorbers taken separately Now the functions Y,,(x) may be written ill the form w ^ 0)2...
- 17
- 233
- 0
Inactivation of microorganisms in untreated water by a continuous flow system with supercritical CO2 bubbling
... SC -CO2 treatment on the inactivation of coliform bacteria in untreated water is shown in Figure The coliform bacterial count in the untreated water decreased almost linearly with increasing CO2/ sample ... flow rate and exposure time in the SC -CO2 treatment on the inactivation of coliform and total bacteria in untreated water and to propose the SC -CO2 treatment as a novel method for inactivating microorganisms ... treatment with SC -CO2 (Kobayashi et al., 2006) and suggested that inactivation of Escherichia coli in sterile distilled water and coliform bacteria in water prior to treatment at a municipal water...
- 10
- 451
- 1
Tài liệu tiếng anh Điện tử công suất mạch MERS Loss and rating consideration of a wind energy conversion system with reactive compensation by magnetic energy recovery switch
... Relative supply rating 8.4 pu 10.4 pu Rating and loss considerations for large scale system The losses and ratings of a large scale electrical conversion system with MERS solution and with a 2-level ... followed by description of experiments on a 50 kW PM generator and theoretical large scale system loss and rating investigations Magnetic Energy Recovery Switch (MERS) Configuration and operation ... generator voltage and the maximum output power can be increased A configuration using a variable series compensation device called a magnetic energy recovery switch (MERS) and a diode bridge has...
- 6
- 802
- 0
PSPICE simulation of two mass vibratory conveying system with electromagnetic drive
... by m1, while mass m2 constitutes a sum of masses (LCE, conveying material and the active section of EVA) The mass m2 is a variable parameter within the system, because mass of the conveying material ... into two subsystems, shown in Fig IV MATHEMATICAL MODEL OF THE VCS Description of one type of two- mass electromagnetic vibratory conveyor is shown in Fig Flexible elements, by which the LCE with ... which is a consequence of exertion of the mechanical sub -system on the electromagnetic subsystem Fig Model of the VCS for analysis Model will be analyzed in a way that the mass of EVA reactive section...
- 4
- 320
- 0
Báo cáo toán học: " Nonexistence of positive solutions of an integral system with weights" pdf
... Nonexistence of positive solutions of an integral system with weights Zhengce Zhang School of Mathematics and Statistics, Xi an Jiaotong University, Xi an, 710049, People’s Republic of China ... Liouville-type theorem for an integral system Comm Pure Appl Anal 5(4), 855–859 (2006) [13] Huang, XT, Li, DS, Wang, LH: Existence and symmetry of positive solutions of an integral equation system Math Comp ... Mitidieri, E: Positive solutions of semilinear elliptic systems e Comm Partial Diff Equ 17, 923–940 (1992) [5] Peletier, LA, Van der Vorst, RCAM: Existence and nonexistence of positive solutions of nonlinear...
- 20
- 291
- 0
Báo cáo toán học: " Nonexistence of positive solutions of an integral system with weights" docx
... Nonexistence of positive solutions of an integral system with weights Zhengce Zhang School of Mathematics and Statistics, Xi an Jiaotong University, Xi an, 710049, People’s Republic of China ... Liouville-type theorem for an integral system Comm Pure Appl Anal 5(4), 855–859 (2006) [13] Huang, XT, Li, DS, Wang, LH: Existence and symmetry of positive solutions of an integral equation system Math Comp ... Mitidieri, E: Positive solutions of semilinear elliptic systems e Comm Partial Diff Equ 17, 923–940 (1992) [5] Peletier, LA, Van der Vorst, RCAM: Existence and nonexistence of positive solutions of nonlinear...
- 20
- 301
- 0
Báo cáo hóa học: " Dynamics of a delayed discrete semi-ratiodependent predator-prey system with Holling type IV functional response" pptx
... for a predator-prey model with modified LeslieGower and Holling- type II schemes Appl Math Lett 2003, 16(7):1069-1075 Nindjina AF, Aziz-Alaoui MA, Cadivel M: Analysis of a predator-prey model with ... stability in a delayed predator-prey system with Michaelis-Menten type functional response Appl Math Comput 2002, 130(2-3):441-455 12 Xu R, Chaplain MAJ, Davidson FA: Periodic solutions for a predator-prey ... global attractivity of positive periodic solutions of the system (1.3) We note that the time delay has an effect on the permanence and the global attractivity of periodic solution of system (1.3),...
- 19
- 253
- 0
báo cáo hóa học:" Research Article Note on the Persistent Property of a Discrete Lotka-Volterra Competitive System with Delays and Feedback Controls" pptx
... Lotka-Volterra competitive system with delays and feedback controls Recently, in Liao et al considered the following general nonautonomous discrete Lotka-Volterra competitive system with delays and feedback ... LotkaVolterra competitive system with delays and feedback controls,” Journal of Computational and Applied Mathematics, vol 211, no 1, pp 1–10, 2008 S Ahmad, On the nonautonomous Volterra-Lotka ... Gopalsamy, Stability and Oscillations in Delay Differential Equations of Population Dynamics, vol 74 of Mathematics and Its Applications, Kluwer Academic Publishers, Dordrecht, The Netherlands,...
- 9
- 351
- 0
báo cáo hóa học:" Research Article The Permanence and Extinction of a Discrete Predator-Prey System with Time Delay and Feedback Controls" ppt
... functional response,” Journal of Mathematical Analysis and Applications, vol 281, no 1, pp 395–401, 2003 T K Kar and U K Pahari, “Modelling and analysis of a prey-predator system with stage-structure ... response,” Journal of Mathematical Analysis and Applications, vol 317, no 2, pp 464–474, 2006 D T Dimitrov and H V Kojouharov, “Complete mathematical analysis of predator-prey models with linear prey ... of Mathematical Analysis and Applications, vol 295, no 1, pp 15–39, 2004 10 X Yang, “Uniform persistence and periodic solutions for a discrete predator-prey system with delays,” Journal of Mathematical...
- 20
- 442
- 0
báo cáo hóa học:" Research Article Nonoscillation of First-Order Dynamic Equations with Several Delays" pdf
... delay dynamic equations of first order,” Advances in Difference Equations, vol 2008, Article ID 458687, 12 pages, 2008 10 H A Agwo, “On the oscillation of first order delay dynamic equations with ... difference equations with several delays,” Advances in Dynamical Systems and Applications, vol 1, no 1, pp 29–47, 2006 M Bohner and A Peterson, Dynamic Equations on Time Scales An Introduction with ... be deduced between nonoscillation properties of the same equation on different time scales? P3 The results of the present paper involve nonoscillation conditions for equations with positive and...
- 22
- 319
- 0
báo cáo hóa học:" Research Article Dynamical Analysis of a Delayed Predator-Prey System with Birth Pulse and Impulsive Harvesting at Different Moments" pdf
... time to maturity w is the natural death rate of the immature prey population d1 is the natural death rate of the mature prey population d2 is the natural death rate of the predator population The ... the death rate The population is birth pulse as intrinsic rate of natural increase and density dependence rate of predator population are denoted by a, b, respectively The pulse birth and impulsive ... Monographs and Surveys in Pure and Applied Mathematics, Longman Scientific & Technical, Harlow, UK, 1993 J Jiao, X Yang, S Cai, and L Chen, Dynamical analysis of a delayed predator-prey model with...
- 15
- 289
- 0
Từ khóa: lorentz s law of electromagnetic forceproduction and use of electromagnetic forcewaves apos modulational instability under the action of wind and dissipationexample of closed loop system with block diagramexamples of open loop control system with explanationexplain the difference between open and closedloop control system with the help of examples3 partial substitution of national issuance with stability bond issuance with several but not joint guarantequot tornado quot type plasma liquid system with the addition of co2convolution summation of a first order system with constant coefficientsmanipulation of gene expression in the central nervous system with lentiviral vectorsof integrable systems with two degrees of freedomenergy analysis of a system with on off type capacity control10 years of research in rivers with different degrees of anthropogenic impactsprotection of two source system with directional relaysconstruction of a 3d room design system with interactive genetic algorithmNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitQuản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninhPhối hợp giữa phòng văn hóa và thông tin với phòng giáo dục và đào tạo trong việc tuyên truyền, giáo dục, vận động xây dựng nông thôn mới huyện thanh thủy, tỉnh phú thọTrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Phát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longNghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếTìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíSở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXKiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Tăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtMÔN TRUYỀN THÔNG MARKETING TÍCH HỢPQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ